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Everyday Science Online Test MCQs With Answers

Question # 1

The volumes of two spheres are in the ratio of 64:27 the ratio of their surface areas is:

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1:2

2:3

9:16

16:9

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Question # 2

The human cell contains

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44 chromosomes

48 chromosomes

46 chromosomes

23 chromosomes

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Question # 3

When item of jewellery made of metals such as copper r nicker are placed in a solution having a salt of gold, a thin film of gold is deposited by:

Choose an answer

passing an electric current

Cooling to below 0 degree C

Heating above 100 degree C

Just keeping it for10 minutes

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Question # 4

Maize grain is

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a seed

an embryo

an ovule

a fruit

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Question # 5

Known as founder of galvanism.

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Luigi Galvani

Alexis Carrel

Pierre Curie

Luther Burbank

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Question # 6

Who invented the LASER?

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Sir Frank Whittle

Fred Morrisson

Chalrles H, Townes

Symour Cray

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Question # 7

When sir Sanford Fleming devised the concept of '' standard Time'' in 1878 , how many time zones did he propose the world be split into?

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Question # 8

What is the ratio whose terms differ by 40 and the measure of which is 2/7

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16:56

14:56

15:56

16:72

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Question # 9

Caffeine use comes with a whole list of possible side effects, which one of these is not a potential side effect?

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Frequent

Diarrhea

larger appetite

insomnia

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Question # 10

The sampling rate, ( how many samples per second are stored ) for a CD is?

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44.1 kHz

48.4 kHz

Both a & b

None of these

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Question # 11

Which of the following is not a disease of he immune system?

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HIV/AIDS

Leukemia

Sickle anemia

None of these

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